Avoid heap out-of-bounds read in Node::CalcOps (test case: OP_0 OP_2 OP_EQUAL) and assertion failure in ComputeType (test case: OP_0 OP_0 OP_EQUAL) #57
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darosior
reviewed
Jul 23, 2021
bitcoin/script/miniscript.h
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| @@ -519,6 +519,7 @@ struct Node { | |||
| next_sats.push_back(sats[sats.size() - 1] + sub->ops.sat); | |||
| sats = std::move(next_sats); | |||
| } | |||
| assert(k < sats.size()); | |||
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In c303afd, all the assertions should be k <= sats.size() instead of k < sats.size() as it's now possible and that's what you are checking for in the previous commit.
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Indeed. I should have been more careful here!
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And i should have had tests to my PR updating the thresh bounds :) #59 fixes this.
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darosior
approved these changes
Aug 1, 2021
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ACK bc1f2c7 modulo the silent int64 -> unsigned cast.
Here is a test exercising the two fixes: darosior@24a9e0b
…unds read in case of k > sats.size() Co-authored-by: practicalswift <practicalswift@users.noreply.github.com>
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darosior
approved these changes
Aug 5, 2021
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utACK a47dcc6 |
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Closes #12.
Closes #13.
Supercedes #18